
UPSModel VOLTRONIC-OTIMA-II
Voltronic UPS Otima II
Discover the Otima II UPS by Voltronic Power with voltage options from 110 to 240 VAC and precise regulation for reliable power protection.
- Voltage: 110-240 VAC
- Voltage Range: 81-290 VAC
- Frequency Range: 50/60 Hz (Auto sensing)
In stock
- Delivered within 3 business days, door to door, to every market we serve.
- Dispatched the same business day for an order placed before 21:00 (Dubai time), or the next business day after.
- 2-year warranty
Voltronic UPS Otima II features
User-friendly and easy-shift LCD display
High flexibility with Rack/Tower design
Output power factor 0.9
Programmable power management outlets
ECO (Efficiency Corrective Optimizer) operation
ECO (Efficiency Corrective Optimizer) operation for energy saving
Boost and Buck AVR for
Boost and Buck AVR for voltage stabilization
Hot-swappable battery design
Multiple communications available
Optional HID Power Device USB
Optional HID Power Device USB Port
About the Voltronic UPS Otima II
The Voltronic UPS Otima II is a Line Interactive UPS with a voltage regulation of ±1.5 % (Before battery alarm), making it a dependable choice for protecting critical loads from power interruptions. It accepts an operating voltage range of 81-152 VAC or 162-290 VAC / 81-152 VAC or 162-290 VAC / 81-152 VAC or 162-290 VAC / 81-152 VAC or 162-290 VAC / 81-152 VAC or 162-290 VAC / 81-152 VAC or 162-290 VAC / 162-290 VAC / 162-290 VAC. Its output waveform is Pure Sinewave. The unit measures 410 x 438 x 88 / 510 x 438 x 88 / 630 x 438 x 88 / 397 x 145 x 220 / 455 x 145 x 220 / 421 x 190 x 318 / 421 x 190 x 318 / 421 x 190 x 318 and weighs 12.9 / 13.4 / 19.5 / 21.5 / 27.7 / 29.3 / 11.7 / 12.1. The Voltronic UPS Otima II is backed by a 2-year manufacturer warranty from Voltronic Power. Its published specifications also list Frequency Range (Batt. Mode) of 50 Hz or 60 Hz ± 1 Hz, Current Crest Ratio of 3:1 and ECO Mode of 97%.
Specifications last updated 27 March 2026
Voltronic UPS Otima II full specifications
Electrical(23)
| Voltage | 110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 208/220/230/240 VAC / 208/220/230/240 VAC |
|---|---|
| Acceptable Voltage Range | 81-152 VAC or 162-290 VAC / 81-152 VAC or 162-290 VAC / 81-152 VAC or 162-290 VAC / 81-152 VAC or 162-290 VAC / 81-152 VAC or 162-290 VAC / 81-152 VAC or 162-290 VAC / 162-290 VAC / 162-290 VAC |
| Frequency Range | 60/50 Hz (Auto sensing) |
| Output Voltage | 110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 208/220/230/240 VAC / 208/220/230/240 VAC |
| Voltage Regulation (Batt. Mode) | ±1.5 % (Before battery alarm) |
| Frequency Range (Batt. Mode) | 50 Hz or 60 Hz ± 1 Hz |
| Current Crest Ratio | 3:1 |
| Harmonic Distortion | 2% max @ 100% linear load, 5% max @ 100% non-linear load (before low battery alarm) |
| Transfer Time | Typical 2-6 ms, 10ms max. |
| Waveform (Batt. Mode) | Pure Sinewave |
| ECO Mode | 97% |
| Buck & Boost Mode | 95% |
| Battery Mode | ≥ 88%, up to 90% @ nominal battery voltage / ≥ 89%, up to 91% @ nominal battery voltage for 110/115/120/127 VAC / ≥ 91%, up to 92% @ nominal battery voltage for 208/220/230/240 VAC / ≥ 91%, up to 92% @ nominal battery voltage for 208/220/230/240 VAC / ≥ 91%, up to 92% @ nominal battery voltage for 208/220/230/240 VAC / ≥ 91%, up to 92% @ nominal battery voltage for 208/220/230/240 VAC / ≥ 91%, up to 92% @ nominal battery voltage for 208/220/230/240 VAC / ≥ 91%, up to 92% @ nominal battery voltage for 208/220/230/240 VAC |
|---|---|
| Battery Type and Quantity | 12 V/7 Ah x 2 / 12 V/9 Ah x 2 / 12 V/7 Ah x 4 / 12 V/9 Ah x 4 / 12 V/7 Ah x 6 / 12 V/9 Ah x 6 / 12 V/10 Ah x 6 / 12 V/10 Ah x 6 |
| Charging Current (max.) | 1.5 A |
| Charging Voltage | 27.4 VDC ± 1% / 54.8 VDC ± 1% / 82.1 VDC ± 1% / 82.1 VDC ± 1% / 82.1 VDC ± 1% / 82.1 VDC ± 1% / 82.1 VDC ± 1% / 82.1 VDC ± 1% |
| Typical Recharge Time | 4 hours recover to 90% capacity |
| LCD Display | AC Mode, Battery Mode, Load Level, Battery Level, Input Voltage, Output Voltage, Overload, Fault and Low Battery |
| Low Battery | Sounding every 2 seconds |
| Overload | Sounding every second |
| Fault | Continuously sounding |
| Smart RS-232/USB | Supports Windows® 2000/2003/XP/Vista/2008, Windows® 7/8/10, Linux and MAC |
| Optional SNMP | Power management from SNMP manager and web browser |
Mechanical(3)
| Standard Dimension, DxWxH (mm) | 410 x 438 x 88 / 510 x 438 x 88 / 630 x 438 x 88 / 397 x 145 x 220 / 455 x 145 x 220 / 421 x 190 x 318 / 421 x 190 x 318 / 421 x 190 x 318 |
|---|---|
| Net Weight (kgs) | 12.9 / 13.4 / 19.5 / 21.5 / 27.7 / 29.3 / 11.7 / 12.1 |
| Weight | 12.9 / 13.4 / 19.5 / 21.5 / 27.7 / 29.3 / 11.7 / 12.1 |
Environmental(4)
| Full Protection | Overload, discharge, and overcharge protection |
|---|---|
| Humidity | 0-90 % RH @ 0- 40°C (Non-condensing) |
| Noise Level | Less than 45dB |
| Altitude | 0-3000m, 10% de-rating for over 1000m |
Downloads & support
Frequently Asked Questions
What voltage does the Voltronic UPS Otima II operate on?
The Voltronic UPS Otima II has a nominal voltage of 110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 208/220/230/240 VAC / 208/220/230/240 VAC and an operating voltage range of 81-152 VAC or 162-290 VAC / 81-152 VAC or 162-290 VAC / 81-152 VAC or 162-290 VAC / 81-152 VAC or 162-290 VAC / 81-152 VAC or 162-290 VAC / 81-152 VAC or 162-290 VAC / 162-290 VAC / 162-290 VAC.
What are the physical dimensions and weight of the Voltronic UPS Otima II?
The Voltronic UPS Otima II measures 410 x 438 x 88 / 510 x 438 x 88 / 630 x 438 x 88 / 397 x 145 x 220 / 455 x 145 x 220 / 421 x 190 x 318 / 421 x 190 x 318 / 421 x 190 x 318 and weighs 12.9 / 13.4 / 19.5 / 21.5 / 27.7 / 29.3 / 11.7 / 12.1.
What is the maximum charge current of the Voltronic UPS Otima II?
The Voltronic UPS Otima II has a maximum charge current of 1.5 A.
What transfer time and output waveform does the Voltronic UPS Otima II provide?
The Voltronic UPS Otima II has a transfer time of Typical 2-6 ms, 10ms max. and an output waveform of Pure Sinewave.
How does the Voltronic UPS Otima II regulate voltage?
The Voltronic UPS Otima II provides a voltage regulation of ±1.5 % (Before battery alarm).
How loud is the Voltronic UPS Otima II during operation?
The Voltronic UPS Otima II has a noise level of Less than 45dB during operation.
What is the power quality of the Voltronic UPS Otima II?
The Voltronic UPS Otima II has a harmonic distortion of 2% max @ 100% linear load, 5% max @ 100% non-linear load (before low battery alarm).
What warranty coverage is available for the Voltronic UPS Otima II?
The Voltronic UPS Otima II is backed by a 2-year manufacturer warranty from Voltronic Power.







